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util: new cached_property decorator

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The MMGen Project 2025-04-21 14:01:16 +00:00
commit b53fd52f47
Signed by: mmgen
GPG key ID: 3F8B1861E32B7DA2
1 changed files with 9 additions and 0 deletions
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9
mmgen/util.py
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@ -470,3 +470,12 @@ def have_sudo(*, silent=False):
return True
except:
return False
def cached_property(orig_func):
@property
def new_func(self):
attr_name = '_' + orig_func.__name__
if not hasattr(self, attr_name):
setattr(self, attr_name, orig_func(self))
return getattr(self, attr_name)
return new_func